<template>
  <div class="main-container">
    <el-button @click="handleBatchDelete">批量删除</el-button>
      <el-table 
        :data="postData"
        border
        :header-cell-style="{ color: 'black', 'background-color': '#f5f7f9','text-align': 'center' }"
        @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55"></el-table-column>
          
        <el-table-column
          v-for="item in postDataLabel"
          :key="item.prop"
          :prop="item.prop"
          :label="item.label"
          show-overflow-tooltip
          :width="item.width ? item.width : 130"
          :sortable="item.sortable ? item.sortable : false"
        >
        <template #default="{ row }" v-if="item.prop === 'avatar'">
              <div style="display: flex; justify-content: center; align-items: center;">
                <img :src="row.avatar" alt="发布者头像" style="width: 50px; height: 30px; object-fit: cover;">
              </div>
            </template>
          <template #default="{ row }" v-else-if="item.prop === 'imageUrl'">
              <div style="display: flex; justify-content: center; align-items: center;">
                <img :src="row.imageUrl" alt="活动图" style="width: 80px; height: 30px; object-fit: cover;">
              </div>
            </template>
            <template #default="{ row }" v-else>
              <div style="text-align: center;">
                {{ row[item.prop] }}
              </div>
            </template>
        </el-table-column>
        <el-table-column label="操作">
          <template #default="{ row }">
            <div class="action-column">
              <el-button @click="handleDelete(row)">删除</el-button>
            </div>
          </template>
        </el-table-column>
      </el-table>
    
    
     <!-- 分页组件 -->
     <div class="pagination-container">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          v-model:current-page="pagination.pageNo"
          :current-page="pagination.pageNo"
          :page-size="pagination.pageSize"
          layout="total,prev, pager, next"
          :total="pagination.total"
        >
        </el-pagination>
      </div>
  </div>
</template>

<script setup>
import { ref,onMounted } from 'vue';
import { getPostListAPI } from '../../../../api/admin/content'
import { delPostAPI,delPostSAPI } from '../../../../api/admin.js'
import dayjs from 'dayjs';
// 声明 selectedRows 变量
const selectedRows = ref([]);
// 表格列配置
const postDataLabel = ref([
  {
    prop: 'id',
    label: '帖子id',
    width: 100,
    sortable: true
  },
  {
    prop: 'title',
    label: '帖子标题',
  },
  {
    prop: 'content',
    label: '帖子文案',
  },
  {
    prop: 'imageUrl',
    label: '图片',
    width: 150,
  },
  {
    prop: 'name',
    label: '作者名',
    width: 100,
  },
  {
    prop: 'authorId',
    label: '作者id',
  },
  {
    prop: 'avatar',
    label: '头像',
  },
  {
    prop: 'createTime',
    label: '创建时间',
    sortable: true,
    width: 150,
  },
]);
// 表格数据
const postData = ref([]);
 // 分页相关数据封装
 const pagination = ref({
  pageNo: 1,
  pageSize: 10,
  total: 0,
});

// const pageNo=ref()

// 删除按钮点击事件
const handleDelete = async(row) => {
  const response = await delPostAPI({postId:row.id});
      // console.log(response);
      await fetchPostList();
};
// 多选框选中状态改变时触发
const handleSelectionChange = (rows) => {
    selectedRows.value = rows;
};
  // 批量删除按钮点击事件
 const handleBatchDelete = async () => {
    if (selectedRows.value.length === 0) {
      console.log('请选择要删除的帖子');
      return;
    }
    const ids = selectedRows.value.map(row => row.id.toString()).join(',');
    try {
      const response = await delPostSAPI({ids});
      if (response.data.code === 0) {
        // 从表格数据中移除已删除的行
        // postData.value = postData.value.filter(item =>!ids.includes(item.id));
    await fetchPostList();
        console.log('批量删除成功');
      } else {
        console.error('批量删除失败:', response.message);
      }
    } catch (error) {
      console.error('批量删除失败:', error);
    }
  };
// 每页显示数量改变时触发
const handleSizeChange = async (newSize) => {
    pagination.value.pageSize = newSize;
    pagination.value.pageNo = 1;
    await fetchPostList();
 };

// 当前页码改变时触发
const handleCurrentChange = async (newPage) => {
    pagination.value.pageNo = newPage;
    await fetchPostList();
  };
// 获取帖子列表
const fetchPostList = async () => {
  try {
    let param = {
      pageNo: pagination.value.pageNo,
      pageSize: pagination.value.pageSize
    };
    const response = await getPostListAPI(param);
    // console.log(response.data);
    const formattedData = response.data.data.list.map(item => {
        return {
          ...item,
          createTime: dayjs(item.createTime).format('YYYY-MM-DD HH:mm'),
        };
      });
      postData.value = formattedData;
    pagination.value.total = response.data.data.total;
   } catch (error) {
    console.error('获取活动列表失败:', error);
  }
};
 // 组件挂载时获取数据
 onMounted(async () => {
    await fetchPostList();
});
</script>

<style lang="less" scoped>
.main-container{
  height: calc(100% - 64px);
  // height: 100%;
  // background-color: aqua;
}
.el-table {
    // overflow-y: scroll;
    height: 100%;
    // background-color: red;
    .action-column {
      display: flex;
      flex-wrap: nowrap;
      /* 确保按钮不换行 */
      white-space: nowrap;
      /* 防止按钮内的文本换行 */
    }
}
.pagination-container {
  display: flex;
  // background-color: rgb(55, 224, 21);
  justify-content: center;
  // margin-top: 20px;
}
</style>